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Finding the Fourth Proportional to 154,833.80, 232,250.70 and 84,849.80

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Solution

The fourth proportional to 154,833.80, 232,250.70 and 84,849.80 is: 127,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,833.80 : 232,250.70 = 84,849.80 : x
  2. Step 2: Convert to fraction form
    154,833.80/232,250.70 = 84,849.80/x
  3. Step 3: Cross multiply
    154,833.80x = 232,250.70 × 84,849.80
  4. Step 4: Simplify right side
    154,833.80x = 19,706,425,444.86
  5. Step 5: Solve for x
    x = 19,706,425,444.86/154,833.80
  6. Step 6: Final answer
    x = 127,274.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.